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util/generic/mapfindptr_ut.cpp
68 строк
2 KB
ignatloskutov
TMapOps::Value: better return type
02 июн 2023, 13:31
02 июн 2023, 13:31
dd59fd7
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#include "string.h" #include "hash.h" #include <library/cpp/testing/unittest/registar.h> #include <map> #include "mapfindptr.h" Y_UNIT_TEST_SUITE(TMapFindPtrTest) { struct TTestMap: std::map<int, TString>, TMapOps<TTestMap> {}; Y_UNIT_TEST(TestDerivedClass) { TTestMap a; a[42] = "cat"; UNIT_ASSERT(a.FindPtr(42)); UNIT_ASSERT_EQUAL(*a.FindPtr(42), "cat"); UNIT_ASSERT_EQUAL(a.FindPtr(0), nullptr); //test mutation if (TString* p = a.FindPtr(42)) { *p = "dog"; } UNIT_ASSERT(a.FindPtr(42)); UNIT_ASSERT_EQUAL(*a.FindPtr(42), "dog"); //test const-overloaded functions too const TTestMap& b = a; UNIT_ASSERT(b.FindPtr(42) && *b.FindPtr(42) == "dog"); UNIT_ASSERT_EQUAL(b.FindPtr(0), nullptr); UNIT_ASSERT_STRINGS_EQUAL(b.Value(42, "cat"), "dog"); UNIT_ASSERT_STRINGS_EQUAL(b.Value(0, "alien"), "alien"); } Y_UNIT_TEST(TestTemplateFind) { THashMap<TString, int> m; m[TString("x")] = 2; UNIT_ASSERT(m.FindPtr(TStringBuf("x"))); UNIT_ASSERT_EQUAL(*m.FindPtr(TStringBuf("x")), 2); } Y_UNIT_TEST(TestValue) { TTestMap a; a[1] = "lol"; UNIT_ASSERT_VALUES_EQUAL(a.Value(1, "123"), "lol"); UNIT_ASSERT_VALUES_EQUAL(a.Value(2, "123"), "123"); UNIT_ASSERT_VALUES_EQUAL(a.Value(2, "123"sv), "123"sv); } Y_UNIT_TEST(TestValueRef) { TTestMap a; a[1] = "lol"; const TString str123 = "123"; TString str1234 = "1234"; UNIT_ASSERT_VALUES_EQUAL(a.ValueRef(1, str123), "lol"); UNIT_ASSERT_VALUES_EQUAL(a.ValueRef(2, str123), "123"); UNIT_ASSERT_VALUES_EQUAL(a.ValueRef(3, str1234), "1234"); } }